//app.js
App({
  onLaunch: function () {
    //调用API从本地缓存中获取数据
    var logs = wx.getStorageSync('logs') || []
    logs.unshift(Date.now())
    wx.setStorageSync('logs', logs)

    //获取相册授权
    // wx.getSetting({
    //   success(res) {
    //     if (!res.authSetting['scope.writePhotosAlbum']) {
    //       wx.authorize({
    //         scope: 'scope.writePhotosAlbum',
    //         success() {
    //           console.log('授权成功')
    //         }
    //       })
    //     }
    //   }
    // })
  },
  getUserInfo:function(cb){
    var that = this
    if(this.globalData.userInfo){
      typeof cb == "function" && cb(this.globalData.userInfo)
    }else{
      //调用登录接口
      wx.login({
        success: function () {
          wx.getUserInfo({
            success: function (res) {
              that.globalData.userInfo = res.userInfo
              typeof cb == "function" && cb(that.globalData.userInfo)
            }
          })
        }
      })
    }
  },
  globalData:{
    userInfo:null
  }
})